21x+4y-5x-8z=

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Solution for 21x+4y-5x-8z= equation: 


Simplifying
21x + 4y + -5x + -8z = 0

Reorder the terms:
21x + -5x + 4y + -8z = 0

Combine like terms: 21x + -5x = 16x
16x + 4y + -8z = 0

Solving
16x + 4y + -8z = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4y' to each side of the equation.
16x + 4y + -4y + -8z = 0 + -4y

Combine like terms: 4y + -4y = 0
16x + 0 + -8z = 0 + -4y
16x + -8z = 0 + -4y
Remove the zero:
16x + -8z = -4y

Add '8z' to each side of the equation.
16x + -8z + 8z = -4y + 8z

Combine like terms: -8z + 8z = 0
16x + 0 = -4y + 8z
16x = -4y + 8z

Divide each side by '16'.
x = -0.25y + 0.5z

Simplifying
x = -0.25y + 0.5z

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